Barber Lake tenant cost-sharing
Company: Cipher Mining - Project: Barber Lake Facility
The claim, verbatim
Under the amended lease, the tenant rentalizes 50% of costs above the initial $359mm threshold, including a return on capital.
Source (primary)
cipher-mining 8-K exhibit (d134900dex991.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-10-14)Live source ↗
Quote: “Tenant cost -sharing framework provides rentalization of 50% of costs above the initial (+10 years supported by leading AI lab) $359mm threshold, including a return on capital”
How we checked this
Checked on October 16, 2026. The cited source supports every part of this claim.
The deal highlights describe a tenant cost-sharing framework rentalizing 50% of costs above the initial $359mm threshold, including a return on capital.
Confirmed in the source:
- Under the amended Barber Lake lease, the tenant rentalizes 50% of costs above an initial $359mm threshold
- The rentalization includes a return on capital
What we did: Read our cached copy of SEC EDGAR (8-K Ex) (https://www.sec.gov/Archives/edgar/data/1819989/000119312526419743/d134900dex991.htm) in full (17,922 characters, retrieved October 14, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms cipher-mining 8-K exhibit (d134900dex991.htm)
Quote: “Tenant cost -sharing framework provides rentalization of 50% of costs above the initial (+10 years supported by leading AI lab) $359mm threshold, including a return on capital”